“It is unlikely that any romaine lettuce from the Yuma growing region is still available in stores or restaurants due to its 21-day shelf life,” the CDC said in a statement. The FDA made their announcement on Twitter.

UPDATE on Romaine Lettuce: It is highly unlikely that product from the Yuma growing region is still in the supply chain. Consumers can be confident that romaine currently available for purchase is not part of the investigation. FDA continues to investigate https://t.co/PSjH1LztERpic.twitter.com/cHvhkmZmuB

As of May 16, 2018, 172 people across 32 have fallen ill from the E. coli outbreak, and one death was reported from California. According to the CDC, almost half of those who were sickened were hospitalized.

While the culprit lettuce is no longer available, consumers are advised to take action if they exhibit symptoms of an E. coli infection. On average, people become sick three to four days after being infected with E. coli. Such symptoms include diarrhea, abdominal cramping, nausea, and vomiting.

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Arianna is College Media Network's Weekend Editor and a student at Penn State University. She has written for various websites, including Thought Catalog and The Odyssey Online. Arianna also runs her own blog called Yoga With Mimosas in which she combines her passion for fitness and writing in hopes of inspiring and empowering others through her work.